20909256

素因数分解:

$2^3\times 3^1\times {\mathrm{211}}^1\times {\mathrm{4129}}^1$

素因数の和:4349

約数の個数: 32

約数和(自身を含む): 52533600

約数和(自身を除く): 31624344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 211, 422, 633, 844, 1266, 1688, 2532, 4129, 5064, 8258, 12387, 16516, 24774, 33032, 49548, 99096, 871219, 1742438, 2613657, 3484876, 5227314, 6969752, 10454628, 20909256]

約数ペア:

[(1, 20909256), (2, 10454628), (3, 6969752), (4, 5227314), (6, 3484876), (8, 2613657), (12, 1742438), (24, 871219), (211, 99096), (422, 49548), (633, 33032), (844, 24774), (1266, 16516), (1688, 12387), (2532, 8258), (4129, 5064)]